#canvas1{
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    width:600px;
    height:600px;
    /* border:5px solid #333; */
}
.control{
    position:absolute;
    top:10%;
    left:50%;
    transform:translate(-50%,0%);
    font-size:20px;
}
.control select{
    font-size:20px;
}